Struts2访问request,session,application的四种方式
2011-11-27 22:29
537 查看
方式1--》访问Map类型的:
方式2--》访问map类型的:
方式3--》访问HttpServletRequest
方式4--》通过接口访问HttpServletRequest
package cn.pdsu.edu; import java.util.Map; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; /** * 普通方式:Map类型的request,session,application */ public class ActionDemo1 extends ActionSupport { private Map<String,Object> request; private Map<String,Object> session; private Map<String,Object> application; public ActionDemo1() { this.request = (Map)ActionContext.getContext().get("request"); this.session = ActionContext.getContext().getSession(); this.application = ActionContext.getContext().getApplication(); } @Override public String execute() throws Exception { request.put("message", "message"); session.put("message", "message"); application.put("message", "message"); return SUCCESS; } }
方式2--》访问map类型的:
package cn.pdsu.edu; import java.util.Map; import org.apache.struts2.interceptor.ApplicationAware; import org.apache.struts2.interceptor.RequestAware; import org.apache.struts2.interceptor.SessionAware; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; /** *接口方式:Map类型的request,session,application */ public class ActionDemo2 extends ActionSupport implements RequestAware,SessionAware,ApplicationAware{ private Map<String,Object> request; private Map<String,Object> session; private Map<String,Object> application; @Override public String execute() throws Exception { request.put("message", "message"); session.put("message", "message"); application.put("message", "message"); return SUCCESS; } public void setRequest(Map<String, Object> request) { this.request=request; } public void setSession(Map<String, Object> session) { this.session=session; } public void setApplication(Map<String, Object> application) { this.application = application; } }
方式3--》访问HttpServletRequest
package cn.pdsu.edu; import java.util.Map; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import org.apache.struts2.ServletActionContext; import org.apache.struts2.interceptor.ApplicationAware; import org.apache.struts2.interceptor.RequestAware; import org.apache.struts2.interceptor.SessionAware; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; /** * 普通方式:Servlet类型的request,session,application */ public class ActionDemo3 extends ActionSupport { private HttpServletRequest request; private HttpSession session; private ServletContext application; public ActionDemo3() { request = ServletActionContext.getRequest(); session = request.getSession(); application = session.getServletContext(); } @Override public String execute() throws Exception { request.setAttribute("message", "message"); session.setAttribute("message", "message"); application.setAttribute("message", "message"); return SUCCESS; } }
方式4--》通过接口访问HttpServletRequest
package cn.pdsu.edu; import java.util.Map; import javax.management.j2ee.statistics.ServletStats; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import org.apache.struts2.ServletActionContext; import org.apache.struts2.interceptor.ApplicationAware; import org.apache.struts2.interceptor.RequestAware; import org.apache.struts2.interceptor.ServletRequestAware; import org.apache.struts2.interceptor.SessionAware; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; /** * 接口方式:Servlet类型的request,session,application */ public class ActionDemo4 extends ActionSupport implements ServletRequestAware{ private HttpServletRequest request; private HttpSession session; private ServletContext application; @Override public String execute() throws Exception { request.setAttribute("message", "message"); session.setAttribute("message", "message"); application.setAttribute("message", "message"); return SUCCESS; } public void setServletRequest(HttpServletRequest request) { this.request = request; this.session = request.getSession(); this.application = session.getServletContext(); } }
相关文章推荐
- Struts2访问request,session,application的四种方式
- Struts2访问request,session,application的四种方式
- Struts2访问web元素(Request,Session,Application)的四种方式
- struts2:lesson three:Annotation配置,实现request,session.application的四种方式,Result类型
- 在Struts2中访问Web页面元素request、response、session、application的四种方法
- struts2获取request、session、application的四种方式
- struts2获取request、session、application的四种方式
- struts2获取request、session、application的四种方式
- Struts2中访问web元素的四种方式(访问requst、session、application)
- struts2 获得request session application的四种方式
- Struts 2 访问session request application 对象的方式
- struts2中访问和添加Application、session以及request属性
- Struts2 访问request、session和application对象
- struts2教程:13、访问或添加request/session/application属性
- Struts 2 访问session request application 对象的方式
- [Struts2] 如何访问或添加request/session/application属性, 以及获取对象.
- struts2示例代码-访问或者添加application、session、request等几个属性
- Struts2中的数据处理的三种方式对比(Action中三种作用域request,session,application对象)
- Struts2访问或添加Request、Session、Application属性
- Struts2 访问request、session和application对象